Read the excerpt below and answer the question. And I live on, but in grief and self-contempt, Left here without the light I loved so much, In a great tempest and with shrouds unkempt. No more love songs, then, I have done with such; My old skill now runs thin at each attempt, And tears are heard within the harp I touch. (lines 9-14) Which of the lines, taken from the sestet shown above, is the volta?